# A149402 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 12
4 51
5 190
6 842
7 3431
8 15654
9 67330
10 312993
11 1392581
12 6555426
13 29833990
14 141757524
15 655762121
16 3137841689
17 14692467913
18 70689773071
19 334087875481
20 1614441359873
21 7686127259903
22 37274642271835
23 178505613655953
24 868232040289333
25 4177913803818686
26 20371131449476345
27 98416106111044095